What is the pH of a 0.086 M HCl solution?

asked Apr 1, 2022 64.7k views

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Answer: pH = 1.066

Explanation: HCl is strong acid and it protolyzes totally:

HCl + H2O ⇒ H3O+ + Cl-

Concentrations are same: [H3O+] = c(HCl)

pH = - log[H3O+] = - log(0.086) = 1.0655

Almir Filho answered Apr 7, 2022

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